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[High frequency rotational angioplasty]

M Haude1, B Eick, D Baumgart

  • 1Abt. für Kardiologie, Universitätsklinik Essen.

Zeitschrift Fur Kardiologie
|January 1, 1996
PubMed
Summary
This summary is machine-generated.

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High-speed rotational coronary atherectomy effectively treats complex calcified coronary stenoses, with success rates improving when combined with balloon angioplasty. However, it does not reduce long-term restenosis rates compared to balloon angioplasty alone.

Area of Science:

  • Cardiovascular Medicine
  • Interventional Cardiology
  • Medical Devices

Context:

  • Complex coronary stenoses, particularly calcified lesions, pose treatment challenges.
  • High-speed rotational atherectomy (HSRA) offers a mechanical approach to plaque removal.
  • Standard practice involves HSRA with adjunctive balloon angioplasty for complex lesions.

Purpose:

  • To evaluate the technical success rates, complication profiles, and long-term restenosis outcomes of HSRA.
  • To compare HSRA outcomes with traditional balloon angioplasty for complex coronary stenoses.

Summary:

  • HSRA utilizes a rotating burr at 160,000–190,000 rpm to remove plaque.
  • Primary technical success for HSRA alone is 50–60%, rising to 80–95% with adjunctive balloon angioplasty for complex lesions (B II or C).

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  • Serious complications are rare, but coronary spasm is more frequent than with balloon angioplasty. Long-term restenosis rates (40–50%) are similar to balloon angioplasty alone.

    • Impact:

    • HSRA is a valuable tool for managing complex coronary artery disease.
    • Adjunctive balloon angioplasty significantly enhances HSRA success rates.
    • HSRA does not offer a long-term advantage in preventing restenosis over balloon angioplasty.